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import { createEffect, createMemo, onCleanup } from "solid-js"
import { createStore, reconcile } from "solid-js/store"
import { useDialog } from "@opencode-ai/ui/context/dialog"
import { Dialog } from "@opencode-ai/ui/dialog"
import { List } from "@opencode-ai/ui/list"
import { TextField } from "@opencode-ai/ui/text-field"
import { Button } from "@opencode-ai/ui/button"
import { normalizeServerUrl, serverDisplayName, useServer } from "@/context/server"
import { usePlatform } from "@/context/platform"
import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
import { useNavigate } from "@solidjs/router"
type ServerStatus = { healthy: boolean; version?: string }
async function checkHealth(url: string, fetch?: typeof globalThis.fetch): Promise<ServerStatus> {
const sdk = createOpencodeClient({
baseUrl: url,
fetch,
signal: AbortSignal.timeout(3000),
})
return sdk.global
.health()
.then((x) => ({ healthy: x.data?.healthy === true, version: x.data?.version }))
.catch(() => ({ healthy: false }))
}
export function DialogSelectServer() {
const navigate = useNavigate()
const dialog = useDialog()
const server = useServer()
const platform = usePlatform()
const [store, setStore] = createStore({
url: "",
adding: false,
error: "",
status: {} as Record<string, ServerStatus | undefined>,
})
const items = createMemo(() => {
const current = server.url
const list = server.list
if (!current) return list
if (!list.includes(current)) return [current, ...list]
return [current, ...list.filter((x) => x !== current)]
})
const current = createMemo(() => items().find((x) => x === server.url) ?? items()[0])
const sortedItems = createMemo(() => {
const list = items()
if (!list.length) return list
const active = current()
const order = new Map(list.map((url, index) => [url, index] as const))
const rank = (value?: ServerStatus) => {
if (value?.healthy === true) return 0
if (value?.healthy === false) return 2
return 1
}
return list.slice().sort((a, b) => {
if (a === active) return -1
if (b === active) return 1
const diff = rank(store.status[a]) - rank(store.status[b])
if (diff !== 0) return diff
return (order.get(a) ?? 0) - (order.get(b) ?? 0)
})
})
async function refreshHealth() {
const results: Record<string, ServerStatus> = {}
await Promise.all(
items().map(async (url) => {
results[url] = await checkHealth(url, platform.fetch)
}),
)
setStore("status", reconcile(results))
}
createEffect(() => {
items()
refreshHealth()
const interval = setInterval(refreshHealth, 10_000)
onCleanup(() => clearInterval(interval))
})
function select(value: string, persist?: boolean) {
if (!persist && store.status[value]?.healthy === false) return
dialog.close()
if (persist) {
server.add(value)
navigate("/")
return
}
server.setActive(value)
navigate("/")
}
async function handleSubmit(e: SubmitEvent) {
e.preventDefault()
const value = normalizeServerUrl(store.url)
if (!value) return
setStore("adding", true)
setStore("error", "")
const result = await checkHealth(value, platform.fetch)
setStore("adding", false)
if (!result.healthy) {
setStore("error", "Could not connect to server")
return
}
setStore("url", "")
select(value, true)
}
return (
<Dialog title="Servers" description="Switch which OpenCode server this app connects to.">
<div class="flex flex-col gap-4 pb-4">
<List
search={{ placeholder: "Search servers", autofocus: true }}
emptyMessage="No servers yet"
items={sortedItems}
key={(x) => x}
current={current()}
onSelect={(x) => {
if (x) select(x)
}}
>
{(i) => (
<div
class="flex items-center gap-2 min-w-0 flex-1"
classList={{ "opacity-50": store.status[i]?.healthy === false }}
>
<div
classList={{
"size-1.5 rounded-full shrink-0": true,
"bg-icon-success-base": store.status[i]?.healthy === true,
"bg-icon-critical-base": store.status[i]?.healthy === false,
"bg-border-weak-base": store.status[i] === undefined,
}}
/>
<span class="truncate">{serverDisplayName(i)}</span>
<span class="text-text-weak">{store.status[i]?.version}</span>
</div>
)}
</List>
<div class="mt-6 px-3 flex flex-col gap-1.5">
<div class="px-3">
<h3 class="text-14-regular text-text-weak">Add a server</h3>
</div>
<form onSubmit={handleSubmit}>
<div class="flex items-start gap-2">
<div class="flex-1 min-w-0 h-auto">
<TextField
type="text"
label="Server URL"
hideLabel
placeholder="http://localhost:4096"
value={store.url}
onChange={(v) => {
setStore("url", v)
setStore("error", "")
}}
validationState={store.error ? "invalid" : "valid"}
error={store.error}
/>
</div>
<Button type="submit" variant="secondary" icon="plus-small" size="large" disabled={store.adding}>
{store.adding ? "Checking..." : "Add"}
</Button>
</div>
</form>
</div>
</div>
</Dialog>
)
}
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